Diodes AP3031 Manuel d'utilisateur télécharger pdf (Page 9)

Data Sheet

Dec. 2012 Rev. 1. 6 BCD Semiconductor Manufacturing Limited

WHITE LED STEP-UP CONVERTER AP3031

Typical Performance Characteristics (Continued)

Figure 16. Switch Saturation Voltage

vs. Switch Current

Figure 17. Case Temperature vs. Output Current

(WLED forward voltage (V

)=3.2V at I

=20mA, unless otherwise noted.)

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

100

150

200

250

300

350

400

450

500

550

600

650

Switch Saturation Voltage (mV)

Switch Current (A)

=-40

=25

=85

0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340

Case Temperature (

Output Current (mA)

=5V, V

OUT

=10V, T

=25

=10μF, C

OUT

=0.47μF, L=4.7μH

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Diodes AP3031 Manuel d'utilisateur Page 9